Chan Sung Jung, "The Korean Zombie", has pulled out of his upcoming fight with Rani Yahya at UFC Fight for the Troops 2 due to an injury, according to MMA Junkie. The UFC is currently seeking a replacement opponent for Yahya. [UPDATE] - Mike Brown steps in for Chan Sung Jung at UFC Fight for the Troops 2 to meet Rani Yahya on January 22nd. UFC Fight for the Troops 2 coverage